A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Others
| Company | Symbol | KATS Code |
| OIL & GAS DEVELOPMENT COMPANY LIMITED | OGDC | OGDC |
| OLYMPIA SPINNING AND WEAVING MILLS LTD. | OLSM | OLSM |
| OLYMPIA TEXTILE MILLS LTD. | OLTM | OLTM |
| Orient rental Modaraba | ORM | ORM |
| ORIX LEASING PAKISTAN LTD. | OLPL | OLPL |
| Orix Modaraba. | ORIXM | ORIXM |
| OTSUKA PAKISTAN LIMITED | OTSU | OTSU |
